v. 1.I. Delirium in Cancer Patients -- Introduction: Critical Issues in the Assessment of Delirium / Russell K. Portenoy. 1. Epidemiology and Clinical Features of Delirium / Jane Ingham and William Breitbart. 2. Assessment and Management of Reversible Delirium / Noemi D. de Stoutz and Fritz Stiefel. 3. Counseling the Confused Patient and the Family / Claudia Borreani, Augusto Caraceni and Marcello Tamburini -- II. Gastrointestinal Disorders in Patients with Advanced Cancer -- Introduction: A Call for Research to Elucidate Causes, Assessment, and Management of Common Gastrointestinal Symptoms / Eduardo Bruera. 4. Gastrointestinal Motility Disorders in Patients with Advanced Cancer / Carla Ripamonti and Carlos Rodriguez. 5. Assessment and Management of Opioid-Induced Constipation / Susan Derby and Russell K. Portenoy. 6. Assessment and Management of Mechanical Bowel Obstruction / Sebastiano Mercadante -- III. Advances in the Pharmacotherapy of Pain